General Astigmatism Information
Astigmatism is a common vision condition that occurs when the front surface of the eye (cornea) is improperly shaped. The ideal cornea shape is round, like a baseball. When the cornea is oval, more like a football, astigmatism results. This irregular shape causes light to focus on more than one point in the eye, resulting in blurred vision at distances far or near. Most people have some degree of astigmatism, but only the most severe cases are noticeable enough to need corrective lenses. Astigmatism can run in families and often occurs along with other eye problems, such as far-sightedness or near-sightedness.

Possible Causes of Astigmatism
There is no known reason why some people develop astigmatism and others do not. Some known causes of astigmatism include the weight of the upper lid on the eyeball, trauma to the eye and cuts or scarring on the cornea. The tendency to develop astigmatism is increased when one or more parents have the condition. Poor nutrition can make astigmatism worse.

Possible Symptoms of Astigmatism
The most common symptom of astigmatism is blurred vision. The blurring can range from slight focusing problems to serious vision disturbances. Blurring is usually noticed when reading or when trying to see objects near or far away. Children with astigmatism may not know they have
blurred vision until they enter school and must try to focus on the chalkboard. Other symptoms of astigmatism include headaches, tired eyes and difficulty focusing on type while reading.

Possible Lifestyle Changes for Astigmatism
There is no known way to prevent astigmatism. Anyone who has problems focusing on objects at any distance should see an eye doctor for vision testing. Eyeglasses or contact lenses can help refine and clear vision. Laser eye surgery is another effective way to treat blurred vision.

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